<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        * {
           
            text-align: center;
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            width: 500px;
            margin: 50px auto ;
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            width: 500px;
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            color: #404060;
            padding: 10px;
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        th {
            background-color: #09c;
            font: bold 16px "微软雅黑";
            color: #fff;
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        td {
            font: 14px "微软雅黑";
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    </style>
</head>
<body>
      <table class="form">
                <tr>
                    <th>序号</th>
                    <th>姓名</th>
                    <th>课程</th>
                    <th>成绩</th>
                </tr>
            
            <tbody id="target">
                <tr>
                    <td>1</td>
                    <td>吕不韦</td>
                    <td>语文</td>
                    <td>100</td>

                </tr>
                <tr>
                    <td>2</td>
                    <td>吕布</td>
                    <td>日语</td>
                    <td>100</td>
                </tr>
                <tr>
                    <td>3</td>
                    <td>吕蒙</td>
                    <td>营销学</td>
                    <td>100</td>
                </tr>
                <tr>
                    <td>4</td>
                    <td>吕尚</td>
                    <td>数学</td>
                    <td>100</td>
                </tr>
                <tr>
                    <td>5</td>
                    <td>吕雉</td>
                    <td>英语</td>
                    <td>100</td>
                </tr>
                <tr>
                    <td>6</td>
                    <td>吕超</td>
                    <td>体育</td>
                    <td>100</td>
                </tr>
            </tbody>
        </table>
   

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</body>
</html>